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4070047 = 19214213
BaseRepresentation
bin1111100001101010011111
321122210001111
433201222133
52020220142
6223122451
746411012
oct17415237
97583044
104070047
11232a983
121443427
13ac6717
1477d379
15555e17
hex3e1a9f

4070047 has 4 divisors (see below), whose sum is σ = 4284280. Its totient is φ = 3855816.

The previous prime is 4069991. The next prime is 4070051. The reversal of 4070047 is 7400704.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4070047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4070447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107088 + ... + 107125.

It is an arithmetic number, because the mean of its divisors is an integer number (1071070).

Almost surely, 24070047 is an apocalyptic number.

4070047 is a deficient number, since it is larger than the sum of its proper divisors (214233).

4070047 is a wasteful number, since it uses less digits than its factorization.

4070047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214232.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 4070047 is about 2017.4357486671. The cubic root of 4070047 is about 159.6613540615.

The spelling of 4070047 in words is "four million, seventy thousand, forty-seven".

Divisors: 1 19 214213 4070047